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علماء: يجب ان يتعلم الأطفال القراءة في عمر ثلاث سنوات

يجب ان يبدأ الأطفال القراءة في عمر ثلاث سنوات وليس في عمر 5-6 سنوات، لأنه تظهر عندهم في هذا العمر القدرة على التمييز بين الصور والحروف المطبوعة.<p>تقول …

البرد اقل خطورة على الصحة من الحر

اتضح للعلماء ان الجو الحار أشد خطورة على الإنسان بخمس مرات من الجو البارد.<p>أجرى علماء جامعة هارفرد الأمريكية دراسة علمية هدفها تحديد ايهما أخطر على …

National Geographic Travel

The Most Beautiful Lakes in the U.S.

Glaciers, geysers, crystal clear water: What more could you ask for? These 15 American lakes are gorgeous—and worth a visit—any time of year.

National Parks

On the cliffs until sunset, I saw this guy come up and over the roof while I set up for rapel. #climbing #rockclimbing #Gunks #Trapps #newyork #Mohonk #clymblife #tradisrad #doyouclimb

Psychedelic skies over Shenandoah National Park this summer & Perseids meteorite making an appearance. Part of upcoming SKYGLOWPROJECT.COM vid. #neverstopexploring #whatgivesyoulife #wildernessculture #insta_america #pro_ig #jaw_dropping_shots #epic_captures #wonderful_places #exploringtheglobe #wildernessociety #wearethewild #ig_shotz #igbest_shotz #igmasters #ic_landscapes #photoarena #phenomenalshot #passionpassport #marcelshots #bp_mag #adventureyourway #globaldaily #great_image #theoutbound #thebest_capture #igs_photos #hdr_pics #ig_worldclub #gramoftheday #photoarena

An Indonesian woman and a child walk on a bamboo bridge as thick yellow haze shrouds the city of #Palangkaraya on October 22, 2015. Indonesian forest and agricultural fires cloaking Southeast Asia in acrid haze are spewing more greenhouse gases into the atmosphere each day than all US economic activity, according to an environmental watchdog. The shock assessment came as Jakarta said the number of blazes was increasing across the archipelago despite a multinational fire-fighting effort, and announced plans to deploy more water-bombing aircraft. For nearly two months, thousands of fires caused by slash-and-burn farming have suffocated vast expanses of the region with smog, causing respiratory illnesses to soar, schools to close, and scores of flights and some international events to be cancelled. Much of the burning is in tropical peatlands rich in carbon but which are being drained and cleared at a rapid rate to make way for agriculture, particularly fast-expanding palm oil plantations. AFP Photo by Wisanggeni

The Week in Review: New Species Found

More than 200 new species were discovered in the Himalayas in recent years, according to a report published this week by the conservation group World Wide Fund for Nature (WWF). The Leptobrachium bompu, a frog with greyish-blue eyes and a vertically-oriented black pupil; the Channa andrao, a blue …

Top 10 Australian mountains to climb

AUSTRALIA'S MOUNTAINS AREN'T the highest in the world, but some offer superb perspectives over our World Heritage-listed sites and other exquisite …


Finding carnage and camaraderie on the rugged back roads of Vermont

Would you pay $900 to enter an event held on the remote back roads of Vermont where vehicle damage is a certainty and the main prize is a largely …


Adobe Unveils Photoshop and Premiere Elements 14 for Mac

Adobe today released new versions of <i>Photoshop Elements</i> and <i>Premiere Elements</i>, its lower-cost photo and video editing software aimed at consumers. In this year's update, both <i>Photoshop Elements 14</i> and <i>Premiere Elements 14</i> have gained several new features and refinements to existing tools, making it …